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Xinna LIU

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  • Weihai, CN
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    AUTOMOBILE CHASSIS
    • Publication number 20230159103
    • Publication date May 25, 2023
    • BlackSeries Intelligent Equipment (Weihai) Co., Ltd
    • Xinna LIU
    • B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
  • Information Patent Application

    BALL JOINT TRACTOR
    • Publication number 20230130536
    • Publication date Apr 27, 2023
    • BlackSeries Intelligent Equipment (Weihai) Co., Ltd
    • Xinna LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    ELECTRIC SOFA FOR RECREATIONAL VEHICLE
    • Publication number 20230125243
    • Publication date Apr 27, 2023
    • BlackSeries Intelligent Equipment (Weihai) Co., Ltd
    • Xinna LIU
    • B60 - VEHICLES IN GENERAL
  • Information Patent Application

    SELF-BALANCING DEVICE FOR SELF-PROPELLED OFF-ROAD RV BOX BODY
    • Publication number 20220402323
    • Publication date Dec 22, 2022
    • BlackSeries Intelligent Equipment (Weihai) Co., Ltd
    • Xinna LIU
    • B60 - VEHICLES IN GENERAL